[填空题]The ancient Sumerians began fermenting beer from barley at least 6,000 years ago.

[填空题]The ancient Sumerians began fermenting beer from barley at least 6,000 years ago.

[填空题]Ancient Egyptian bought weapons from foreign countries through grain banks.

[单项选择]How old was he when he began to suffer from diabetes
A. He was in his puberty.
B. He was in his childhood.
C. He was in his middle age.
D. He was in his sixties.

[填空题]The ancient Olympic Games originated from ______ that were held to show respect the Gods of the Greeks.

[单项选择]Modern tourism began with the transition from a rural to an industrial society, the rise of the automobile, and the expansion of road and highway systems. Before the Second World War, travel for pleasure was limited to the wealthy, but since then, improved standards of living and the availability of transportation have allowed more people to indulge. In the 1960s, improvements in aircraft technology and the development of commercial jet airlines enabled fast international travel. The tourism industry exploded. Today, airports in nearly every country can accommodate jumbo jets full of tourists seeking exotic destinations.

The word indulge in the passage is closest in meaning to
A. participate
B. migrate
C. survive
D. change

[单项选择]Evidence from ancient fossils indicates the scorpion may had been among the first land animals.

[单项选择]
From ancient times, sea voyagers were able to calculate latitude with reasonable accuracy. They did this at night by measuring the angle of the pole star above the horizon and at noon by measuring the angle of the sun above the horizon. However, the problem of calculating longitude, or degrees east or west of a meridian line running north to south from pole to pole, was intractable. Even on land this calculation was difficult. In the 1600s, an Italian scientist published tables giving the times of the eclipses of Jupiter’s moons. From these tables it was possible to calculate longitude east or west of a given point by comparing the local time at which eclipses happened with the time given in the tables. This breakthrough did not, however, help ocean navigation. The unstable conditions aboard ships made precise observation of Jupiter’s satellites a near impossibility. Other methods, including measuring th
A. unlikely
B. hesitant
C. imperfect
D. decisive

[单项选择]The price of beer （） from 50 cents to $ 4 per liter during the summer season.
A. altered
B. ranged
C. separated
D. differed